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design: color-blind safe palette for critical signals #190

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144 changes: 124 additions & 20 deletions src/index.css
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Original file line number Diff line number Diff line change
Expand Up @@ -88,8 +88,37 @@
--text-main: #e5e7eb;
--text-muted: #cbd5e1; /* Improved contrast for WCAG AA on dark backgrounds */
--text-accent: #38bdf8;
--error: #ef4444;
--success: #10b981;

/* ─── Critical Signal Palette (CVD-safe, WCAG AA on dark) ─────────────── */
/* Chosen to remain distinguishable under Protanopia/Deuteranopia/Tritanopia. */
--success: #009e73; /* bluish-green (Okabe–Ito) */
--warning: #e69f00; /* orange (Okabe–Ito) */
--error: #cc79a7; /* reddish-purple (Okabe–Ito) */
--info: #3b82f6; /* blue */
--pending: #94a3b8; /* slate */

/* Signal surfaces (tints / borders) */
--signal-success-bg: rgba(0, 158, 115, 0.14);
--signal-success-border: rgba(0, 158, 115, 0.48);

--signal-warning-bg: rgba(230, 159, 0, 0.16);
--signal-warning-border: rgba(230, 159, 0, 0.55);

--signal-error-bg: rgba(204, 121, 167, 0.14);
--signal-error-border: rgba(204, 121, 167, 0.55);

--signal-info-bg: rgba(59, 130, 246, 0.14);
--signal-info-border: rgba(59, 130, 246, 0.48);

--signal-pending-bg: rgba(148, 163, 184, 0.12);
--signal-pending-border: rgba(148, 163, 184, 0.34);

/* Signal icon masks (non-colour indicators). Use with mask-image/-webkit-mask-image */
--signal-success-icon-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
--signal-warning-icon-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3 1 21h22L12 3z' fill='none' stroke='%23000' stroke-width='2.2' stroke-linejoin='round'/%3E%3Cpath d='M12 9v5' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'/%3E%3Cpath d='M12 17h.01' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round'/%3E%3C/svg%3E");
--signal-error-icon-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7.2 2h9.6L22 7.2v9.6L16.8 22H7.2L2 16.8V7.2L7.2 2z' fill='none' stroke='%23000' stroke-width='2.2' stroke-linejoin='round'/%3E%3Cpath d='M9 9l6 6' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'/%3E%3Cpath d='M15 9l-6 6' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E");
--signal-info-icon-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 22a10 10 0 1 0 0-20 10 10 0 0 0 0 20z' fill='none' stroke='%23000' stroke-width='2.2'/%3E%3Cpath d='M12 10v7' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'/%3E%3Cpath d='M12 7h.01' fill='none' stroke='%23000' stroke-width='3.2' stroke-linecap='round'/%3E%3C/svg%3E");
--signal-pending-icon-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 22a10 10 0 1 0 0-20 10 10 0 0 0 0 20z' fill='none' stroke='%23000' stroke-width='2.2'/%3E%3Cpath d='M12 6v6l4 2' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");

/* ─── Auth Layout Design Tokens (Issue #80) ──────────────────────────── */
/* Typography scale for AuthLayout title / subtitle / helperText slots */
Expand All @@ -116,7 +145,7 @@
/* ─── Discovery Empty/Error State Tokens (Issue #107) ──────────────────── */
--ds-empty-icon-bg: rgba(59, 130, 246, 0.08); /* primary-tinted icon well (empty) */
--ds-empty-icon-fg: var(--primary); /* icon stroke colour (empty) */
--ds-error-icon-bg: rgba(239, 68, 68, 0.08); /* error-tinted icon well */
--ds-error-icon-bg: rgba(204, 121, 167, 0.10); /* error-tinted icon well */
--ds-error-icon-fg: var(--error); /* icon stroke colour (error) */
--ds-state-gap: 1.25rem; /* vertical gap between state slots */
--ds-state-max-w: 28rem; /* constrains text column */
Expand All @@ -133,21 +162,21 @@
--st-content-gap: 0.75rem; /* gap: marker → content (vertical) */

/* Milestone state colours */
--st-completed-bg: rgba(16, 185, 129, 0.12); /* ✓ completed background */
--st-completed-border: #10b981; /* ✓ completed ring / connector */
--st-completed-fg: #10b981; /* ✓ completed icon */
--st-completed-bg: var(--signal-success-bg); /* ✓ completed background */
--st-completed-border: var(--success); /* ✓ completed ring / connector */
--st-completed-fg: var(--success); /* ✓ completed icon */

--st-progress-bg: rgba(59, 130, 246, 0.12); /* ● in-progress background */
--st-progress-border: #3b82f6; /* ● in-progress ring / connector */
--st-progress-fg: #3b82f6; /* ● in-progress icon */
--st-progress-bg: var(--signal-info-bg); /* ● in-progress background */
--st-progress-border: var(--info); /* ● in-progress ring / connector */
--st-progress-fg: var(--info); /* ● in-progress icon */

--st-blocked-bg: rgba(239, 68, 68, 0.12); /* ▲ blocked background */
--st-blocked-border: rgba(239, 68, 68, 0.5); /* ▲ blocked ring */
--st-blocked-fg: #ef4444; /* ▲ blocked icon */
--st-blocked-bg: var(--signal-error-bg); /* ▲ blocked background */
--st-blocked-border: var(--signal-error-border); /* ▲ blocked ring */
--st-blocked-fg: var(--error); /* ▲ blocked icon */

--st-pending-bg: rgba(148, 163, 184, 0.08); /* ○ pending background */
--st-pending-border: rgba(148, 163, 184, 0.25); /* ○ pending ring / connector */
--st-pending-fg: #94a3b8; /* ○ pending icon */
--st-pending-bg: var(--signal-pending-bg); /* ○ pending background */
--st-pending-border: var(--signal-pending-border);/* ○ pending ring / connector */
--st-pending-fg: var(--pending); /* ○ pending icon */

/* ─── Density Mode Tokens (Issue #174) ───────────────────────────────
* Three modes: comfortable (spacious), cozy (normal), compact.
Expand All @@ -171,10 +200,10 @@
--density-gap: 0.75rem; /* 12px between items */

/* ─── Revenue Reporting Calendar Tokens (Issue #153) ─────────────── */
--rc-status-due: #f59e0b; /* ● due indicator */
--rc-status-submitted: #3b82f6; /* ● submitted indicator */
--rc-status-accepted: #10b981; /* ● accepted indicator */
--rc-status-overdue: #ef4444; /* ● overdue indicator */
--rc-status-due: var(--warning); /* ● due indicator */
--rc-status-submitted: var(--info); /* ● submitted indicator */
--rc-status-accepted: var(--success); /* ● accepted indicator */
--rc-status-overdue: var(--error); /* ● overdue indicator */
--rc-cell-size: 2.75rem; /* calendar day cell size */
--rc-cell-gap: 0.25rem; /* gap between cells */
--rc-header-height: 2.5rem; /* day-name header height */
Expand Down Expand Up @@ -513,7 +542,82 @@ input:focus-visible,
.text-muted { color: var(--text-muted); }
.text-main { color: var(--text-main); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-info { color: var(--info); }
.text-pending { color: var(--pending); }

/* Status indicator utilities (icon + colour; not colour-only) */
.status-indicator {
--status-fg: var(--text-main);
--status-bg: transparent;
--status-border: var(--glass-border);
--status-icon-mask: none;

display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.25rem 0.625rem;
border-radius: var(--radius-full);
border: 1px solid var(--status-border);
background: var(--status-bg);
color: var(--status-fg);
font-size: var(--font-size-sm);
line-height: 1.1;
font-weight: var(--font-weight-medium);
white-space: nowrap;
}

.status-indicator::before {
content: "";
width: 1em;
height: 1em;
flex-shrink: 0;
background-color: currentColor;
-webkit-mask-image: var(--status-icon-mask);
mask-image: var(--status-icon-mask);
-webkit-mask-repeat: no-repeat;
mask-repeat: no-repeat;
-webkit-mask-position: center;
mask-position: center;
-webkit-mask-size: contain;
mask-size: contain;
}

.status-indicator--success {
--status-fg: var(--success);
--status-bg: var(--signal-success-bg);
--status-border: var(--signal-success-border);
--status-icon-mask: var(--signal-success-icon-mask);
}

.status-indicator--warning {
--status-fg: var(--warning);
--status-bg: var(--signal-warning-bg);
--status-border: var(--signal-warning-border);
--status-icon-mask: var(--signal-warning-icon-mask);
}

.status-indicator--error {
--status-fg: var(--error);
--status-bg: var(--signal-error-bg);
--status-border: var(--signal-error-border);
--status-icon-mask: var(--signal-error-icon-mask);
}

.status-indicator--info {
--status-fg: var(--info);
--status-bg: var(--signal-info-bg);
--status-border: var(--signal-info-border);
--status-icon-mask: var(--signal-info-icon-mask);
}

.status-indicator--pending {
--status-fg: var(--pending);
--status-bg: var(--signal-pending-bg);
--status-border: var(--signal-pending-border);
--status-icon-mask: var(--signal-pending-icon-mask);
}

/* ─── AuthLayout Component Styles (Issue #80) ─────────────────────────────
Implements the formalized design-system type scale and responsive card.
Expand Down Expand Up @@ -923,4 +1027,4 @@ input:focus-visible,

/* RTL-aware text alignment */
[dir="rtl"] .text-left { text-align: right; }
[dir="rtl"] .text-right { text-align: left; }
[dir="rtl"] .text-right { text-align: left; }